I suggest also Hardy-Weinberg equilibrium (p2) + (2pq) + (q2)= 1 (both allele and genotype frequencies in a population remain constant)

http://en.wikipedia.org/wiki/Hardy%E2%80%93Weinberg_principl...

I didn't say there were no equations in Biology (would be rather silly of me to say so, since my doctoral dissertation is based on equations applied to biology), only that Biology is a good example of science that is not strictly the application of equations.

Another way to state the point I was attempting to make: while modern physicists can derive many new insights from ages old equations (or manipulations thereof), Newton was tasked with creating the equations from scientific first-principles. It is this skill (the ability to formulate scientific frameworks) which would be lost if scientific education is neglected.